3685853 has 4 divisors (see below), whose sum is σ = 3696480. Its totient is φ = 3675228.

The previous prime is 3685849. The next prime is 3685861. The reversal of 3685853 is 3585863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3685853 - 2² = 3685849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4775 + ... + 5492.

It is an arithmetic number, because the mean of its divisors is an integer number (924120).

Almost surely, 2^3685853 is an apocalyptic number.

It is an amenable number.

3685853 is a deficient number, since it is larger than the sum of its proper divisors (10627).

3685853 is a wasteful number, since it uses less digits than its factorization.

3685853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626.

The product of its digits is 86400, while the sum is 38.

The square root of 3685853 is about 1919.8575467987. The cubic root of 3685853 is about 154.4706604950.

The spelling of 3685853 in words is "three million, six hundred eighty-five thousand, eight hundred fifty-three".